well, here we are on the alaska coast. go behind the scenes with our filmmakers. we also used a borescope lens and that allowed us to put the lens right into a flower. and get connected with "nature's" online community. all at pbs.org. "nature" is made possible in part by... leave it untouched by your presence capture its image and preserve it forever. canon -- living and working together to appreciate today and care for tomorrow. the corporation for public broadcasting... and by contributions to your pbs station from viewers like you -- thank you. to order this three-part "nature" series on dvd and blu-ray call 1-800-336-1917. to learn more about what you've seen on this "nature" program, visit pbs.org. available now on shoppbs downton still stands. i'm looking forward to all sorts of things. what?! no one must know! i'm warning you... to order, visit shoppbs. also available on itunes. 5,4,3,2,1... when you want to go above. it is a major exploratory expedition or reach beyond. it was exciting and mysterious when you want to dive deep. words cannot describe how a